Fire extinguisher



FIG. 1 is a front elevational view of a fire extinguisher showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a bottom perspective view thereof.

A portion of the pipe in FIGS. 1, 2, 3, and 4 is shown broken away for convenience of illustration. 

The ornamental design for a fire extinguisher, as shown and described. 